automation, Validate that TARGET is non empty
automation, Validate that TARGET is non empty

In order to fail fast, in case the job doesnt set
TARGET due to an error, and to not hide
delicate errors that might occour, since otherwise
the default configuration would be selected,
Validate that TARGET is set.

Signed-off-by: Or Shoval <7299abc34af50659adafa6d252dc9c537bb5cf36@redhat.com>

davidvossel/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,stu-gott/kubevirt,davidvossel/kubevirt,kubevirt/kubevirt,davidvossel/kubevirt,stu-gott/kubevirt,stu-gott/kubevirt